code: def fit(self, X, Y=None):
      return self
  
file_path: auto-sklearn/examples/80_extending/example_extending_data_preprocessor.py
imports: from typing import Optional
  from pprint import pprint
  import autosklearn.classification
  import autosklearn.pipeline.components.data_preprocessing
  import sklearn.metrics
  from ConfigSpace.configuration_space import ConfigurationSpace
  from autosklearn.askl_typing import FEAT_TYPE_TYPE
  from autosklearn.pipeline.components.base import AutoSklearnPreprocessingAlgorithm
  from autosklearn.pipeline.constants import SPARSE, DENSE, UNSIGNED_DATA, INPUT
  from sklearn.datasets import load_breast_cancer
  from sklearn.model_selection import train_test_split
label_desc: Use image node_id 2 for calling the NoPreprocessing obj's underlying member method code with example usage: obj.fit(X, Y) and returns: self